Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 356, Issue 5, Pages 1093-1097Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201300905
Keywords
aldehydes; hydrosilylation; ketones; manganese; N-heterocyclic carbene (NHCs)
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Funding
- French MESR
- Universite Rennes 1, Rennes Metropole
- Ministere de l'Enseignement Superieur et de la Recherche
- Axa Research Funds
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Easily available manganese(I) N-heterocyclic carbene (NHC) complexes, Cp(CO)(2)Mn(NHC), obtained in one step from industrially produced cymantrene, were evaluated as pre-catalysts in the hydrosilylation of carbonyl compounds under UV irradiation. Complexes with NHC ligands incorporating at least one mesityl group led to the most active and selective catalytic systems. A variety of aldehydes (13 examples) and ketones (11 examples) were efficiently reduced under mild conditions [Cp(CO)(2)Mn(IMes) (1mol%), Ph2SiH2 (1.5equiv.), h (350nm), toluene, 25 degrees C, 1-24h] with good functional group tolerance.
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